Method of monitoring the end position of a controlling element a

Details Method of monitoring the end position of a controlling element a Method of monitoring the end position of a controlling element a

1988-04-25

1989-12-19

Shoop, Jr., William M.

Electricity: motive power systems

Positional servo systems

Limit or end-stop control

318434, 318282, 388817, G05G 500

Patent

active

048885371

ABSTRACT:
The method for monitoring the end positions of a controlling element having a servomotor (1) comprises the recognition of the end position, for instance by interruption of the flow of current to the servomotor by limit switches (4, 5), and the subsequent action of a control pulse of opposite direction on the servomotor in order to brake the servomotor.

REFERENCES:
patent: 3714537 (1973-01-01), Bur
patent: 4223256 (1980-09-01), Espenschied
patent: 4467250 (1984-08-01), Thomasson
patent: 4763219 (1988-08-01), Nakamura

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